Place of Origin:
China
Brand Name:
Liocrebif
Certification:
GJB 9001C-2017
Model Number:
LKF-MSU201
The LKF-MSU201 High-Dynamic MEMS Inertial Measurement Module is a reliable and cost-effective six-axis MEMS inertial navigation system, widely applicable in navigation, control, and measurement scenarios involving satellites, vehicles, ships, and UAVs. The module integrates high-performance MEMS gyroscopes and accelerometers within a compact, standalone structure. All electronic components in the system are 100% domestically manufactured, and the selected inertial sensors represent the cutting edge of MEMS technology.
Advanced Technology and Process
The three-axis MEMS gyroscopes measure angular motion, while the three-axis MEMS accelerometers sense linear acceleration. The system performs full-temperature compensation for bias, scale factor, misalignment, and g-dependent errors, ensuring long-term measurement accuracy across a wide range of conditions.
Precision Manufacturing and Calibration
Our company has accumulated a set of core technologies during the development of this product, ensuring its superior performance. The system employs high-speed sampling, static and dynamic error compensation techniques to deliver optimal performance during user operation.
Table1 Performance parameters of LKF-MSU201
|
Gyroscope |
|
|
Range (°/s) |
±500 |
|
Bias over full temperature range (°/h) |
≤50 |
|
Bias stability (°/h, 10s smoothing) |
≤5 |
|
Bias stability (°/h, Allan,typical) |
0.5 |
|
Bias repeatability (°/h) |
≤3 |
|
Angular Random Walk (°/√h) |
≤0.3 |
|
Scale factor nonlinearity (ppm) |
≤150 |
|
Threshold / Resolution (°/h) |
≤3 |
|
Bandwidth (Hz) |
200 |
|
Accelerometer |
|
|
Range (g) |
±50 |
|
Bias over full temperature range (mg) |
≤3(XY)；≤5(Z) |
|
Bias stability (μg, 10s smoothing) |
≤100 |
|
Bias stability (μg, Allan variance) |
≤30 |
|
Bias repeatability (μg) |
≤300 |
|
Velocity Random Walk (mm/s/√h) |
≤40 |
|
Scale factor nonlinearity (ppm) |
≤500 |
|
Threshold / Resolution (μg) |
≤50 |
|
Adjustable Bandwidth (Hz) |
150 |
|
Electrical / Mechanical Interface |
|
|
Power Supply (V) |
5-12 |
|
Power Consumption (W) |
1.5 |
|
Startup Time (s) |
2 |
|
Communication Interface |
1 × RS-422, 2 × RS-232, 1 × Synchronous TTL Output, 1 × Synchronous TTL Input |
|
Data Update Rate (Hz) |
200 (configurable, up to 1kHz) |
|
Dimensions (mm×mm×mm) |
44.8×38.6×21.5 |
|
Weight (g) |
50±5 |
|
Working Environment |
|
|
Operating Temperature |
-40°C～80°C |
|
Storage Temperature |
-55°C～85°C |
|
Vibration (g, Rms) |
6.06 |
|
Shock (g) |
1000g/1ms (powered) |
Table 2 Connector Pin Definitions
|
Pin |
Definition |
Note |
|
8 |
POWER_IN |
Power supply: 5~12V |
|
15 |
GND |
|
|
6 |
RS232_TXD1 |
Reserved |
|
5 |
RS232_RXD1 |
|
|
3 |
GND |
|
|
10 |
RS422 R+ |
RS422 interface |
|
2 |
RS422 R- |
|
|
9 |
RS422 T+ |
|
|
1 |
RS422 T- |
|
|
14 |
RS232_TXD2 |
Reserved, receives external satellite RMC sentence for timestamping |
|
7 |
RS232_RXD2 |
|
|
13 |
GND |
|
|
11 |
PPS_IN |
PPS signal input, compatible with GNSS |
|
4 |
TOV |
General-purpose I/O, 3.3V logic, rising-edge triggered |
|
12 |
GND |
Main Features
100% Domestically Sourced Components
High-Dynamic Performance With Large-Range Accelerometer on X-Axis
Compact Size, Low Weight, and Low Power Consumption
Full-Temperature Calibration and Compensation From -45°C to +80°C
1 kHz High-Speed Sampling
Resistant to Harsh Mechanical Environments
Supports Online Software Upgrades
Applications
Vehicle Positioning and Orientation
Radar/Infrared Antenna Stabilization Platform
UAV Attitude Reference/Trajectory Control
Vehicle and Vessel Attitude Measurement
Port Surveying Systems
On-the-Move Communication (OTMC)
Drilling and Extraction Systems
Mobile Mapping Systems
Satellite Applications
Automated Driving Test Systems
Figure 1 Dimension
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